AIDs is a virus that attacks the, you could say, commander white blood cells. After they die, the white blood cells stop working basically, so your immune system falls to nothing. AIDs in fact doesn't kill you, it's all the other viruses that are caught after the initial blow that do you in.
Also HIV viruses cannot survive in pool water, the chlorine ions pretty much eradicate them, and on a side note HIV viruses stay within the loveual organs and in your blood, so they don't evacuate into the outside world except by blood or during loveual intercourse.
